Bird Giology Test Skeletal System System

Question 1

Why is a flexible neck important to a bird?

Answer 1

• For better eyesight, to help see food and a predator

- to get behind them to preen their feathers

Question 2

Why is a flexible tail important to a bird?

Answer 2

Applies additional lift and aids steering and breaking when flying

Question 3

Why is important that other bones are fused?

Answer 3

So that the birds skeleton is more sturdy and more firm.

Question 4

Of what importance is the greatly enlarged sternum of a bird?

Answer 4

It supports the large breast muscle

Question 5

Why do you think that 50% of the body weight of a bird is made up of its flight muscles?

Answer 5

Birds migration requires them to fly really long distances for a very long time. So birds need strength to accomplish their migrations.

Question 6

What are 2 main differences between the bones of birds from the bones of reptiles or mammals?

Answer 6

1. Bird’s bones are hollow

2. Birds have fused bones making their skeleton more rigid